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DO Supply, Inc. sells surplus and refurbished products which are sourced through independent channels. All warranties and support, if applicable, are with DO Supply, Inc. and not the manufacturer. DO Supply, Inc. is not an authorized distributor or representative for the listed manufacturers and makes no representations as to any quality control performed by any listed manufacturer on the products. Read more
DO Supply, Inc. sells surplus and refurbished products which are sourced through independent channels. All warranties and support, if applicable, are with DO Supply, Inc. and not the manufacturer. DO Supply, Inc. is not an authorized distributor or representative for the listed manufacturers and makes no representations as to any quality control performed by any listed manufacturer on the products.
Some of the products sold by DO Supply, Inc. may come with firmware installed on them. DO Supply, Inc. makes no representation as to your ability or right to download, obtain, or use any firmware provided by the product's manufacturer. To the extent you wish to use such firmware, it is your responsibility to comply with the terms of any applicable license or other such agreement related to the download, installation, or use of the firmware. DO Supply, Inc. makes no representation that the version of the firmware that is installed on any product it sells is appropriate for your needs or use. Further, DO Supply, Inc. does not sell, re-sell, or license software that may be needed to operate certain hardware and customers must obtain any necessary software licensing, maintenance, or upgrades from the manufacturer or other authorized source. To the extent any of the products sold by DO Supply, Inc. requires software for operation, you acknowledge that DO Supply, Inc. does not sell or license such software and that it is solely your responsibility to obtain the software or a proper license to use it from authorized sources. Read less
|Product Line||Series C L Frame|
The Eaton LD4450 Molded Case Circuit Breaker operates with 4 Poles and 450 Amps. The module has a L Frame and a Thermal-Magnetic Unit Type.
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|Dimensions (W x H x D)||11 x 10.75 x 4.06 inches|
|Interrupting Capacity||65 kAIC at 240 Volts AC|
|Part Number/Catalog No.||LD4450|
|Product Type||Molded Case Circuit Breaker|
The Eaton LD4450 is an LD type of circuit breaker with an L Frame. It is a complete breaker with a built-in magnetic–thermal trip unit which is non-interchangeable. The load and line terminals which are made of aluminum are supplied with the LD4450. The current rating of the LD4450 is 450 Amps continuous. The voltage ratings of the LD4450 are 250 Volts DC and 600 Volts AC. The interrupt capacity ratings for the LD4450 are 22 kAIC at 250 Volts DC, and 65, 35, and 25 kAIC at 240, 480, and 600 Volts AC, respectively. The dimensions of the 4-pole breaker are 273.1 x 279.4 x 103.1 millimeters.
The installation of the LD4450 consists of the breaker inspection, and the subsequent installation of the rating plug, accessories, and terminals, the mounting of the breaker, connecting line and load conductors, torquing the terminals, and attaching the terminal shields. With aluminum wires are used as conductors, the use of joint compounds is recommended to reduce the possibility of terminal overheating. The installation of the internal accessories should be done before the breaker is mounted and connected. Before the installation, the nameplate, the date of the breaker should be compared with the system requirements to ensure that the breaker is suitable for the intended installation. During the installation and any subsequent maintenance efforts, the LD4450 must be kept in the off-state to prevent any potential injury for installers. Even though circuit breakers are designed for years of trouble-free operation, periodic inspections of the LD4450 should be carried out to ensure that the breaker performs according to the specifications. During the inspection, the LD4450 should be switched off.
Manufacturer Part Numbers (MPNs) are often difficult to read. Here are some commonly mistaken versions for the LD4450: